Improvement in stave-cutting machines



B. & F. GEYLER.

Stave Cutting-Machines. a

N0.l 51,695. Patentedlune9,1874.

Fig.1.

Attest- Invent UNITED STATES PATENT OFFICE.

BENJAMIN GEYLEB AND FREDERICK GEYLER, OF COVINGTON, KENTUCKY.

IMPROVEMENT IN STAVE-CUTT'ING MACHINES.

Specification forming part of Letters Patent No. 151,695, dated June 9,1874; application filed Am-i115, 1874.

To all whom it may concern:

Be it known that we, BENJAMIN GEYLER and FREDERICK GEYLER, both ofCovington, in the county of Kenton and State of Kentucky, have inventedan Improvement in Stave- Outting Machines, of which the following is aspecification Our invention relates to machines for cutting staves; andconsists in a series of reciprocating cutters or chisels, so arranged asto present a series of cutting-edges in the direction of each movement.

Figure 1 shows a perspective view of our invention. Fig. 2 is a section,showing the cross-head and cutters, guides, and feed apparatus. Fig. 3shows the cross-head and cutters in elevation.

Like letters represent like parts.

In the drawings, A is the cross-head or block, carrying the cutters a aa, and sliding between the guides B B, motion being given to the samebymeans of the connecting-rod E and crank F from the shaft G. Thedriving power may, however, be applied in any other suitable manner. Thematerial is fed to the cutters by the bed 0, which swings on an axis atc. The cutters are curved into an arc of a circle, whose center is at c,Fig. 2, and thus serve to give the staves a corresponding curvature. Thecutters are so arranged as to cut during both the backward and forwardmovement of the block A, as will be seen by reference to the drawing,the cutters a a having their cutting-edges in opposite directions, andthe cutter a having two cutting-edges cutting in opposite directions.Any desirable number of cutters may be used. The advantage possessed bythe cutters thus made in separate pieces consists in the greater easewith which they may be ground, replaced, or repaired when worn. Thematerial being placed on the bed 0 is fed up to the cutters, which cutthe staves out longitudinally. Fig. 2 shows a block of wood at D,partially cut through at cl.

We claim 1. In a stave-cuttin g machine, a series of reciprocatingcutters or chisels, a a a, &c., arranged with outting-edges in oppositedirections, substantially as described.

2. The cutters a a, &c., in combination with slide block A and guides BB.

3. The swinging bed-plate O, constructed as described, when combinedwith cutters a a, &c., and slide block A.

BENJAMIN GEYLER. FREDERICK GEYLER. Witnesses:

WM. S. BATES, RoBT. H. PARKINsoN.

